Our trusted relationships with our clients are one of our most valued assets. Through partnering with organizations of all sizes to provide policy development, program reviews, educational experiences, and sports drug testing, we have gained the trust of leaders throughout the industry. If you’re in the market for our services, we hope to gain yours as well. In our clients’ own words:

Janelle L. Winston, Esq

Management Council


For over fifteen years the NFL has partnered with Drug Free Sport in connection with the NFL and NFLPA’s drug testing program; this partnership has been instrumental to the League’s commitment to ensuring the health and wellbeing of the players and protecting the integrity of the game. Drug Free Sport has handled our matters with the utmost discretion with respect to the confidentiality for our players. Drug Free Sport provides rapid responses to all of our inquiries and is readily available for consultation when an emergency situation arises. That level of dependability is unsurpassed and of great value to the NFL. In addition, the employees at Drug Free Sport are both professional and extremely knowledgeable, which enhances our communications and work product. We thank you for your many years of service, and we look forward to partnering with Drug Free Sport for years to come.

Jon Coyles

Vice President, Drug, Health & Safety Programs

Major League Baseball

"For over a decade, Drug Free Sport has provided high quality and professional collection and education services to Major League Baseball’s drug testing programs. During that time, MLB’s anti-doping programs and initiatives have grown exponentially and Drug Free Sport’s willingness and ability to step up to any challenge or request has allowed us to accomplish our goals. We are proud of the drug testing programs we have in place in Major League Baseball, and our partnership with Drug Free Sport is a big reason why they are successful."

Ian Smith

Integrity Commissioner

ESports Integrity Commission (ESIC)

“It’s been a great relief for us to find a reliable and experienced testing agency with efficient and friendly Doping Control Officers who have adapted easily to our system. I look forward to our continued collaboration, as testing in esports expands globally.”

Craig Thornley

Race Director

Western States 100-Mile Endurance Run

"The sport of ultra running is still in its infancy relative to establishing all of the necessary crucial foundations that are essential to fostering a drug- and performance-enhancing-free competitive environment for our athletes. The professionals at Drug Free Sport have collaborated with us in offering a vast array of knowledge, expertise and know-how in quickly making our run, which is the oldest 100-mile trail run in the world, one of the leaders in ensuring our sport remains fair, safe and drug-free.

We feel that, thanks to Drug Free Sport, we have not only implemented a rigorous, effective and accurate drug testing regimen, we are also helping in the equally crucial education of an entire generation of trail runners."

Andy Levinson

Executive Director, Anti-Doping Program

PGA Tour

“The services provided by The National Center for Drug Free Sport are conducted in a thorough and professional manner. The PGA TOUR's partnership with DFS has been critical to the success of the PGA TOUR's Anti-Doping Program.”

Mark Hill

Senior Director, Competitions & Anti-Doping Program Coordinator

United States Golf Association

“The USGA has worked with Drug Free Sport for several years. Their on-site staff understands the importance of discretion, and they very effectively put our players at ease during the process. The professionalism and expertise demonstrated by their entire team has been outstanding, and they have been integral to the success of our drug testing program.”